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CompTIA A+ > Internet > Flashcards

Internet Flashcards

1
Q

Internet

Computers that share the same network ID

A

Local Area Network

LAN

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2
Q

Internet

Two or more LANs interconnected by one or more routers.

A

Wide Area Network

WAN

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3
Q

Internet

A WAN that spans a city

A

Metropolitan Area Network

MAN

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4
Q

Internet

Point-to-point connection used only in Bluetooth connections

A

Personal Area Network

PAN

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5
Q

Internet

Composed of many organizations that connect to eachother

A

The Internet

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6
Q

Internet

These are providers that do not pay anyone and have peering agreements

No Cry

A

Tier 1

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7
Q

Internet

These providers pay some Tier 1s but also peer with Tier 1s and Tier

2 x cry

A

Tier 2

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8
Q

Internet

Pay Tier 1 or Tier 2 providers

I cry

A

Tier 3

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9
Q

Internet

Goes by the name plain old telephone service (POTS)

A

Dial up

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10
Q

Internet

Dial-up plug connectors to phone system

RaJ-DaD

A

RJ-11

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11
Q

Internet

Convert analog POTS to digital COM port connections

A

Modems

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12
Q

Internet

Modems connect to other modems using

A

Phone Numbers

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13
Q

Internet

High speed, always on connections

A

Broadband

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14
Q

Internet

Runs on top of telephone service

A

Digital Subscriber Line (DSL)

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15
Q

Internet

Data Over Cable Service Interface Specification (DOCSIS) uses

A

Cable connections

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16
Q

Internet

Provide service to remote locations

A

Satellites

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17
Q

Internet

Many metro areas provide native

A

Ethernet for an ISP

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18
Q

Internet

Client and server are required for

A

All internet connections

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19
Q

Internet

Primary function of a firewall is to

A

block ports

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20
Q

Internet

Client and server networks use

A

Firewalls

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21
Q

Internet

Firewalls block ports on incoming

A

Vs outgoing

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22
Q

Internet

Must not block incoming ports on the ports to which they listen

A

Servers

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23
Q

Internet

Used to transfer files from one system to another

A

File Transfer Protocol (FTP)

24
Q

Internet

You need an FTP client and all

A

Web browsers are also FTP clients

25
Internet FTP uses TCP port 21 21-P
Passive Mode
26
Internet FTP uses TCP port 21 in
Active mode
27
Internet For FTP Active Mode to allow port 20 incoming
Port Triggering
28
Internet Email uses this to send e-mail from a client to an e-mail server
Simple Mail Transfer Protocol (SMTP)
29
Internet To pull down e-mail message from e-mail server
Post Office Protocol V3 (POP3)
30
Internet To pull down e-mail message from e-mail server
Internet Message Access Protocol (IMAP)
31
Internet SMTP uses TCP Port NaiL
25
32
Internet POP uses TCP port DaDS
110
33
Internet IMAP uses port imap DReaM
143
34
Internet Requires knowledge of IP addresses or DNS name for different servers
To set up an e-mail account.
35
Internet Servers as a go between - between a client and a server
Proxy Server
36
Internet Application Specific
Proxy Servers ie Web Proxy for HTTP / HTTPS
37
Internet Proxy servers provide
firewalling
38
Internet Proxy servers provide
Check for malware
39
Internet Proxy servers provide
Ban bad URLs
40
Internet in order for an application to use a proxy server
The address of the proxy server must be known
41
Internet Use the Internet to create a private connection to a remote network
Virtual Private Networks (VPNs)
42
Internet To connect to a VPN server at the remote network a
VPN client program is needed
43
Internet In order for the VPN client to connect to the VPN server
The VPN client needs to know the IP address of the VPN server
44
Internet Giving internet capability to devices not traditionally associated with the Internet such as Lightbulbs, toasters
Internet of Things (IoT)
45
Internet Common IoT connection
802.11
46
Internet Common IoT connection
Zigbee
47
Internet Common IoT connection
Z-Wave
48
Internet IoT requirement to link to IoT
IoT hub
49
Internet Add voice capabilities to IoT
Amazon Alexa
50
Internet Add voice capabilities to IoT
Apple Siri
51
Internet Add voice capabilities to IoT
Google Home
52
Internet - Quiz Dial-Up connection speeds max out at LeaCH
56Kbps
53
Internet - Quiz Broadband DSL may require
PPoE authentication
54
Internet - Quiz DOCSIS standard is used by
Cable broadband
55
Internet - Quiz The client (system running the browser) must allow outbound traffic on port PeZ
80
56
Internet - Quiz Inbound port 80 on a web client should be
blocked

CompTIA A+ (26 decks)

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